itsmattkc
2f80be437a
As opposed to simply leaving all values in the table, nodes can now "take" values that they use to free up memory (e.g. "taking" input buffers if they're used to produce an output buffer). This is a fairly large change, expect regressions.
151 lines
3.7 KiB
C++
151 lines
3.7 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "renderworker.h"
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#include <QThread>
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#include "node/block/block.h"
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OLIVE_NAMESPACE_ENTER
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RenderWorker::RenderWorker(QObject *parent) :
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QObject(parent),
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started_(false)
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{
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}
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bool RenderWorker::Init()
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{
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if (started_) {
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return true;
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}
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if (!(started_ = InitInternal())) {
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Close();
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}
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return started_;
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}
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void RenderWorker::Close()
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{
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CloseInternal();
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decoder_cache_.Clear();
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started_ = false;
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}
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void RenderWorker::Render(NodeDependency path, qint64 job_time)
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{
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path_ = path;
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emit CompletedCache(path, RenderInternal(path, job_time), job_time);
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}
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NodeValueTable RenderWorker::RenderInternal(const NodeDependency &path, const qint64 &job_time)
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{
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Q_UNUSED(job_time)
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return ProcessNode(path);
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}
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void RenderWorker::RunNodeAccelerated(const Node *node, const TimeRange &range, NodeValueDatabase &input_params, NodeValueTable& output_params)
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{
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Q_UNUSED(node)
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Q_UNUSED(range)
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Q_UNUSED(input_params)
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Q_UNUSED(output_params)
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}
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StreamPtr RenderWorker::ResolveStreamFromInput(NodeInput *input)
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{
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return input->get_value_at_time(0).value<StreamPtr>();
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}
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DecoderPtr RenderWorker::ResolveDecoderFromInput(StreamPtr stream)
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{
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// Access a map of Node inputs and decoder instances and retrieve a frame!
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DecoderPtr decoder = decoder_cache_.Get(stream.get());
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if (!decoder && stream) {
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// Create a new Decoder here
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decoder = Decoder::CreateFromID(stream->footage()->decoder());
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decoder->set_stream(stream);
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if (decoder->Open()) {
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decoder_cache_.Add(stream.get(), decoder);
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} else {
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decoder = nullptr;
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qWarning() << "Failed to open decoder for" << stream->footage()->filename() << "::" << stream->index();
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}
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}
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return decoder;
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}
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bool RenderWorker::IsStarted()
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{
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return started_;
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}
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void RenderWorker::ReportUnavailableFootage(StreamPtr stream, Decoder::RetrieveState state, const rational& stream_time)
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{
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emit FootageUnavailable(stream, state, path_.range(), stream_time);
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}
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void RenderWorker::InputProcessingEvent(NodeInput* input, const TimeRange& input_time, NodeValueTable *table)
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{
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// Exception for Footage types where we actually retrieve some Footage data from a decoder
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if (input->data_type() == NodeParam::kFootage) {
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StreamPtr stream = ResolveStreamFromInput(input);
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if (stream) {
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DecoderPtr decoder = ResolveDecoderFromInput(stream);
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if (decoder) {
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Decoder::RetrieveState state = decoder->GetRetrieveState(input_time.out());
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if (state == Decoder::kReady) {
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FrameToValue(decoder, stream, input_time, table);
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} else {
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ReportUnavailableFootage(stream, state, input_time.out());
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}
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}
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}
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}
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}
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void RenderWorker::ProcessNodeEvent(const Node *node, const TimeRange &range, NodeValueDatabase &input_params, NodeValueTable &output_params)
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{
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// Check if we have a shader for this output
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RunNodeAccelerated(node, range, input_params, output_params);
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}
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const NodeDependency &RenderWorker::CurrentPath() const
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{
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return path_;
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}
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OLIVE_NAMESPACE_EXIT
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